National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

San Marcos, San Marcos Municipal Airport (KHYI)

Lat: 29.89°NLon: 97.86°WElev: 597ft.

Overcast

67°F

19°C

Humidity 97%
Wind Speed SE 13 mph
Barometer 29.89 in (1011.4 mb)
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Last update 14 Feb 5:56 am CST
Extended Forecast for

Lockhart TX

  • Today

    Today: Showers likely, then showers and possibly a thunderstorm after noon. High near 75. South southeast wind 10 to 15 mph becoming southwest in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 75 °F

    Showers

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before 9pm. Mostly clear, with a low around 55. West southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 55 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 75. North wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 75 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 46. North wind 5 to 10 mph becoming light in the evening.

    Low: 46 °F

    Mostly Clear

  • Washington's Birthday

    Washington's Birthday: Sunny, with a high near 78. Calm wind becoming south southeast around 5 mph in the afternoon.

    High: 78 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 52. South southeast wind around 5 mph.

    Low: 52 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 84. South wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 84 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 58. South wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 58 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 83. South southwest wind 5 to 10 mph.

    High: 83 °F

    Partly Sunny

Detailed Forecast

Today
Showers likely, then showers and possibly a thunderstorm after noon. High near 75. South southeast wind 10 to 15 mph becoming southwest in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
A 20 percent chance of showers and thunderstorms before 9pm. Mostly clear, with a low around 55. West southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Sunday
Sunny, with a high near 75. North wind 10 to 15 mph, with gusts as high as 25 mph.
Sunday Night
Mostly clear, with a low around 46. North wind 5 to 10 mph becoming light in the evening.
Washington's Birthday
Sunny, with a high near 78. Calm wind becoming south southeast around 5 mph in the afternoon.
Monday Night
Mostly clear, with a low around 52. South southeast wind around 5 mph.
Tuesday
Mostly sunny, with a high near 84. South wind 5 to 15 mph, with gusts as high as 20 mph.
Tuesday Night
Partly cloudy, with a low around 58. South wind 5 to 10 mph, with gusts as high as 20 mph.
Wednesday
Partly sunny, with a high near 83. South southwest wind 5 to 10 mph.
Wednesday Night
Mostly cloudy, with a low around 59.
Thursday
Partly sunny, with a high near 86.
Thursday Night
Mostly cloudy, with a low around 58.
Friday
Partly sunny, with a high near 80.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lockhart TX
 29.88°N 97.68°W (Elev. 525 ft)
Last Update:
6:42 am CST Feb 14, 2026
Forecast Valid:
6am CST Feb 14, 2026-6pm CST Feb 20, 2026
 
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Additional Resources

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Chance of Precipitation